Base | Representation |
---|---|
bin | 1011111111100… |
… | …1101001101100 |
3 | 10111122210101000 |
4 | 2333321221230 |
5 | 100334240034 |
6 | 4554120300 |
7 | 1150406454 |
oct | 277715154 |
9 | 114583330 |
10 | 50305644 |
11 | 2643a414 |
12 | 14a20090 |
13 | a56456c |
14 | 6976d64 |
15 | 463a599 |
hex | 2ff9a6c |
50305644 has 48 divisors (see below), whose sum is σ = 133957600. Its totient is φ = 16314048.
The previous prime is 50305637. The next prime is 50305649. The reversal of 50305644 is 44650305.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (50305649) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2299 + ... + 10290.
Almost surely, 250305644 is an apocalyptic number.
50305644 is a gapful number since it is divisible by the number (54) formed by its first and last digit.
It is an amenable number.
50305644 is an abundant number, since it is smaller than the sum of its proper divisors (83651956).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50305644 is a wasteful number, since it uses less digits than its factorization.
50305644 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12639 (or 12631 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 27.
The square root of 50305644 is about 7092.6471785928. The cubic root of 50305644 is about 369.1522935384.
Adding to 50305644 its reverse (44650305), we get a palindrome (94955949).
The spelling of 50305644 in words is "fifty million, three hundred five thousand, six hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •